investigators say the gunman, paul ciancia said he acted alone. the airport in los angeles, what else are we learning about this young suspects planned? reporter: bill, we learned he is pre-much acting alone. that is when he was arrested at terminal 3 behind me on friday. a disturbing plan that seemingly he only knew about because one of his remit stroked him to the airport to talk about a flight other than the suspects say he had one. they didn't know where he was going to anything at all. his roommate say h they had no idea he would get out of the car and opened fire with intent on killing as many tsa agents as possible. as you might imagine, bill, right now the investigation continues to try to find out if there are any answers as to why or what sets this man off for you to bill: what is his status now? there were gruesome photos floating around the internet. >> he is in critical condition. he is sedated because he is trying to recover from his injuries. he was shot several times, in the phase as well, which is part of the reason why he has not